<template>
  <div class="el-row" style="display: flex;flex: 1;height: 100%;min-height: 600px">
    <div class="el-col el-col-16" style="background-color: #2992FF;height: 100%">
      <div style="width: 35%;margin: 0 auto">
        <img :src="bg2Png" alt="" class="el-image__inner" style="width:80%;margin-top: 20%">
        <div class="font-bold text-3xl text-light-50 mb-6px text-center"
             style="padding-top: 10%;color: #FDFDFD;font-size: 30px;font-weight: 700;font-family: cursive;">欢迎登录 GY-AI
        </div>
        <div class="text-gray-200 text-lg text-center" style="padding-top: 2%;color: #E5E7EB; font-size: 18px;font-family: cursive;">
          真正的宝石纵使无光，亦能闪耀
        </div>
        <div class="text-gray-200 text-lg text-center" style="padding-top: 2%;color: #E5E7EB; font-size: 18px;font-family: cursive;">
          火既是引路的灯塔，也是净化的清泉
        </div>
      </div>
    </div>
    <div class="el-col el-col-8 flex is-justify-center" style="background-color: rgb(243 244 246);min-height: 600px">
      <div style="width: 50%; margin: 0 auto; margin-top: 40%">
        <el-form ref="loginRef" :model="loginForm" :rules="loginRules" >

          <p style="font-size: 20px;font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo, Lucida, Sans, Type, Writer,
          Ubuntu, Mono;text-align: center">
            <span>
              <img :src="logoPng" style="height: 15px;">
            </span>
            <span> GY-AI </span>
          </p>
          <p style="font-size: 16px;font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo, Lucida, Sans, Type, Writer,
          Ubuntu, Mono;text-align: center; color: #9CA3AF">
            <span> - </span>
            <span>账号密码登录</span>
            <span> - </span>
          </p>
          <el-form-item prop="username">
            <el-input
                v-model="loginForm.username"
                type="text"
                size="large"
                auto-complete="off"
                placeholder="账号"
            >
              <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
                v-model="loginForm.password"
                type="password"
                size="large"
                auto-complete="off"
                placeholder="密码"
                @keyup.enter="handleLogin"
            >
              <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
            </el-input>
          </el-form-item>
          <el-form-item prop="code" v-if="captchaEnabled">
            <el-input
                v-model="loginForm.code"
                size="large"
                auto-complete="off"
                placeholder="验证码"
                style="width: 63%"
                @keyup.enter="handleLogin"
            >
              <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img"/>
            </div>
          </el-form-item>
          <el-form-item style="width:100%;">
            <el-button
                :loading="loading"
                size="large"
                type="primary"
                style="width:100%;"
                @click.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div style="width: 100%;text-align: right" v-if="register">
              <router-link class="link-type" :to="'/register'">
                未有账号，立即注册
              </router-link>
            </div>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script setup>
import {getCodeImg} from "@/api/auth";
import Cookies from "js-cookie";
import {decrypt, encrypt} from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import logoPng from '@/assets/logo/logo.png'
import bg2Png from '@/assets/images/bg_2.png'

const userStore = useUserStore()
const route = useRoute();
const router = useRouter();
const {proxy} = getCurrentInstance();

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [{required: true, trigger: "blur", message: "请输入您的账号"}],
  password: [{required: true, trigger: "blur", message: "请输入您的密码"}],
  code: [{required: true, trigger: "change", message: "请输入验证码"}]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(true);
const redirect = ref(undefined);

watch(route, (newRoute) => {
  redirect.value = newRoute.query && newRoute.query.redirect;
}, {immediate: true});

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, {expires: 30});
        Cookies.set("password", encrypt(loginForm.value.password), {expires: 30});
        Cookies.set("rememberMe", loginForm.value.rememberMe, {expires: 30});
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        const query = route.query;
        const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
          if (cur !== "redirect") {
            acc[cur] = query[cur];
          }
          return acc;
        }, {});
        router.push({path: "/home" || "/", query: otherQueryParams});
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.el-input {
  height: 40px;

  input {
    height: 40px;
  }
}

.input-icon {
  height: 39px;
  width: 14px;
  margin-left: 0px;
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}



.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
